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| author | Luca Dariz <luca@orpolo.org> | 2023-12-28 20:42:57 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-12-29 15:16:44 +0100 |
| commit | 7538b56278a95d87b9a4ddec01e5679376cc5b13 (patch) | |
| tree | 18404a2044aed558118aa365bd59db4b5387c3b7 /include | |
| parent | 06885ceb139976763aa815dd5ff1d972cecea4c9 (diff) | |
| download | gnumach-7538b56278a95d87b9a4ddec01e5679376cc5b13.tar.gz gnumach-7538b56278a95d87b9a4ddec01e5679376cc5b13.tar.bz2 gnumach-7538b56278a95d87b9a4ddec01e5679376cc5b13.zip | |
expose MACH_MSG_USER_ALIGNMENT for manually-built messages
Message-ID: <20231228194301.745811-11-luca@orpolo.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mach/message.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/mach/message.h b/include/mach/message.h index 0b8b34d4..9790ef98 100644 --- a/include/mach/message.h +++ b/include/mach/message.h @@ -401,6 +401,16 @@ typedef integer_t mach_msg_option_t; #define MACH_SEND_ALWAYS 0x00010000 /* internal use only */ +#ifdef __x86_64__ +#if defined(KERNEL) && defined(USER32) +#define MACH_MSG_USER_ALIGNMENT 4 +#else +#define MACH_MSG_USER_ALIGNMENT 8 +#endif +#else +#define MACH_MSG_USER_ALIGNMENT 4 +#endif + #ifdef KERNEL /* This is the alignment of msg descriptors and the actual data * for both in kernel messages and user land messages. @@ -411,15 +421,6 @@ typedef integer_t mach_msg_option_t; * so that kernel messages are correctly aligned. */ #define MACH_MSG_KERNEL_ALIGNMENT sizeof(uintptr_t) -#ifdef __x86_64__ -#ifdef USER32 -#define MACH_MSG_USER_ALIGNMENT 4 -#else -#define MACH_MSG_USER_ALIGNMENT 8 -#endif -#else -#define MACH_MSG_USER_ALIGNMENT 4 -#endif #define mach_msg_align(x, alignment) \ ( ( ((vm_offset_t)(x)) + ((alignment)-1) ) & ~((alignment)-1) ) |